Q: Is 644,112 a Composite Number?

Why is 644,112 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 644,112 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 71 72 81 84 108 112 126 142 144 162 168 189 213 216 252 284 324 336 378 426 432 497 504 567 568 639 648 756 852 994 1,008 1,134 1,136 1,278 1,296 1,491 1,512 1,704 1,917 1,988 2,268 2,556 2,982 3,024 3,408 3,834 3,976 4,473 4,536 5,112 5,751 5,964 7,668 7,952 8,946 9,072 10,224 11,502 11,928 13,419 15,336 17,892 23,004 23,856 26,838 30,672 35,784 40,257 46,008 53,676 71,568 80,514 92,016 107,352 161,028 214,704 322,056 and 644,112, with no remainder.

Since 644,112 cannot be divided by just 1 and 644,112, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).